素描
一个年轻人和一个老人的头向右看的书单`Sheet of studies with a youth and the head of an old man looking to the right (between 1520 and 1521) by Andrea del Sarto
德国
书单上有两个坐着的孩子和一个天使`Study Sheet with Two Seated Children and an Angel (early 17th century) by Hendrick Goudt
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